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Alternative Methods of Checking Dilation {The Purple Line and More}

“Cervical dilation tells us one thing and one thing only – where you are right that second. It tells you nothing about what came before that check (when you compare to other labors or women) and it tells you nothing about what is to come. It only tells you about the here and now.”

Hypnobabies® – Natural Childbirth at its best!

Join our Hypnobabies Community and receive 10% off of all Hypnobabies products!Studies also show that vaginal exams are not really accurate. When checking for exact dilation, studies show the accuracy to be around 48-56%. When allowing a margin of 1cm (which is a large margin of error when this information is used to time interventions or labor “cut-offs”) the accuracy is around 89-91%. [One such study abstract from real women in labor. And another study abstract which was done on models.] When you add in multiple people checking, the accuracy gets even worse. Yet, vaginal exams are considered the “gold standard” of assessing labor progress. And lets not forget that vaginal exams are just plain uncomfortable at the best of times – in labor they can be downright hellish.

So what are some ways of figuring out your dilation without actually touching the cervix?

The Purple Line or Bottom Line

This is a purple/dark line that shows up and extends well, to put it delicately, along your natal cleft. Or rather – your butt crack. The line starts at the anus and moves up the cleft. When it is all the way to the top, you are 10cm. Normally – you do have a bit of a line there. But this Purple Line or Bottom Line is not he line that is normally there (which is usually pink). This is a dark purple line. My suggestion is to check out your bum in early pregnancy so that you know the difference.Read about all the alternative methodsHERE.